GB811281A - A low pressure fluorescent electric discharge lamp - Google Patents
A low pressure fluorescent electric discharge lampInfo
- Publication number
- GB811281A GB811281A GB18452/57A GB1845257A GB811281A GB 811281 A GB811281 A GB 811281A GB 18452/57 A GB18452/57 A GB 18452/57A GB 1845257 A GB1845257 A GB 1845257A GB 811281 A GB811281 A GB 811281A
- Authority
- GB
- United Kingdom
- Prior art keywords
- envelope
- lamp
- cooling
- contact
- region
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000001816 cooling Methods 0.000 abstract 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract 2
- 239000011261 inert gas Substances 0.000 abstract 2
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 abstract 1
- 229910052786 argon Inorganic materials 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000001307 helium Substances 0.000 abstract 1
- 229910052734 helium Inorganic materials 0.000 abstract 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052754 neon Inorganic materials 0.000 abstract 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
- H01J61/523—Heating or cooling particular parts of the lamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US594307A US2966602A (en) | 1956-06-27 | 1956-06-27 | High output fluorescent lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
GB811281A true GB811281A (en) | 1959-04-02 |
Family
ID=24378363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB18452/57A Expired GB811281A (en) | 1956-06-27 | 1957-06-11 | A low pressure fluorescent electric discharge lamp |
Country Status (5)
Country | Link |
---|---|
US (1) | US2966602A (de) |
BE (1) | BE558655A (de) |
DE (1) | DE1104605B (de) |
FR (1) | FR1175545A (de) |
GB (1) | GB811281A (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1114250B (de) * | 1959-01-15 | 1961-09-28 | Licentia Gmbh | Anordnung zum Kuehlhalten des Zapfens bei Hochleistungs-Leuchtstofflampen |
US3309565A (en) * | 1959-12-14 | 1967-03-14 | Mc Graw Edison Co | Light output of fluorescent lamps automatically held constant by means of peltier type coolers |
US3087083A (en) * | 1961-01-30 | 1963-04-23 | Astro Dynamics Inc | Vapor lamp and radiator |
NL280093A (de) * | 1961-06-23 | |||
US3376457A (en) * | 1964-12-07 | 1968-04-02 | Westinghouse Electric Corp | Electric discharge lamp with space charge relieving means |
US3355613A (en) * | 1965-08-04 | 1967-11-28 | Sylvania Electric Prod | High energy tubular incandescent lamp having heat dissipative sleeves |
US3771007A (en) * | 1970-10-15 | 1973-11-06 | Gen Electric | High intensity lamp apparatus and method of operation thereof |
NL7811351A (nl) * | 1978-11-17 | 1980-05-20 | Philips Nv | Lagedrukkwikdampontladingslamp. |
DE3002930A1 (de) * | 1980-01-28 | 1981-07-30 | Siemens AG, 1000 Berlin und 8000 München | Gasentladungsanzeigevorrichtung |
US5174646A (en) * | 1990-12-06 | 1992-12-29 | The Regents Of The University Of California | Heat transfer assembly for a fluorescent lamp and fixture |
KR970006293B1 (ko) * | 1992-10-06 | 1997-04-25 | 캐논 가부시끼가이샤 | 원고 조명 장치 |
US5686799A (en) * | 1994-03-25 | 1997-11-11 | Pacific Scientific Company | Ballast circuit for compact fluorescent lamp |
US5537301A (en) * | 1994-09-01 | 1996-07-16 | Pacific Scientific Company | Fluorescent lamp heat-dissipating apparatus |
US5821699A (en) * | 1994-09-30 | 1998-10-13 | Pacific Scientific | Ballast circuit for fluorescent lamps |
US6037722A (en) * | 1994-09-30 | 2000-03-14 | Pacific Scientific | Dimmable ballast apparatus and method for controlling power delivered to a fluorescent lamp |
US5691606A (en) * | 1994-09-30 | 1997-11-25 | Pacific Scientific Company | Ballast circuit for fluorescent lamp |
US5720548A (en) * | 1995-11-14 | 1998-02-24 | Progressive Technology In Lighting, Inc. | High luminance fluorescent lamp assembly |
US5925986A (en) * | 1996-05-09 | 1999-07-20 | Pacific Scientific Company | Method and apparatus for controlling power delivered to a fluorescent lamp |
US5866993A (en) * | 1996-11-14 | 1999-02-02 | Pacific Scientific Company | Three-way dimming ballast circuit with passive power factor correction |
US5798617A (en) * | 1996-12-18 | 1998-08-25 | Pacific Scientific Company | Magnetic feedback ballast circuit for fluorescent lamp |
US6352722B1 (en) * | 1997-12-23 | 2002-03-05 | Quadrant Holdings Cambridge Limited | Derivatized carbohydrates, compositions comprised thereof and methods of use thereof |
CN1715741B (zh) * | 2001-03-19 | 2012-05-23 | 富士通株式会社 | 光源装置及显示装置 |
US7284878B2 (en) | 2004-12-03 | 2007-10-23 | Acuity Brands, Inc. | Lumen regulating apparatus and process |
US7883237B2 (en) * | 2005-09-28 | 2011-02-08 | Abl Ip Holding, Llc | Heat extractor device for fluorescent lighting fixture |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1151129A (en) * | 1913-03-12 | 1915-08-24 | Auergesellschaft Gmbh | Electrical gas-lamp and method of producing light by means of the same. |
US1924368A (en) * | 1924-03-13 | 1933-08-29 | Frederick S Mccullough | Vacuum tube |
DE559053C (de) * | 1929-04-29 | 1932-09-19 | Patra Patent Treuhand | Verfahren und Einrichtung zum Zuenden von elektrischen Leuchtroehren mit Gluehelektroden |
AT125878B (de) * | 1929-06-26 | 1931-12-10 | Claude Neon Lights Inc | Kaltwetterleuchtröhre. |
DE519467C (de) * | 1929-07-13 | 1931-02-28 | Patra Patent Treuhand | Elektrische Leuchtroehre mit kalten Metallelektroden oder Gluehelektroden |
GB336490A (en) * | 1929-07-13 | 1930-10-16 | Gen Electric Co Ltd | Improvements in luminous electric discharge tubes |
US2262177A (en) * | 1929-12-07 | 1941-11-11 | Gen Electric | Lighting and radiating tube |
DE694241C (de) * | 1937-03-24 | 1940-07-29 | Patra Patent Treuhand | Quecksilberniederdruckroehre mit einer aus einem Neon-Argon-Gemisch bestehenden Grundgasfuellung |
US2309676A (en) * | 1939-12-12 | 1943-02-02 | Charles Melzak | Fluorescent lamp |
US2433404A (en) * | 1942-02-25 | 1947-12-30 | Raytheon Mfg Co | Light generating device |
US2452518A (en) * | 1944-12-18 | 1948-10-26 | Sylvania Electric Prod | Nonactinic fluorescent lamp |
US2622221A (en) * | 1945-11-23 | 1952-12-16 | Westinghouse Electric Corp | Fluorescent discharge lamp |
CH306500A (de) * | 1952-01-26 | 1955-04-15 | Meteor Apparatebau Paul Schmec | Leuchtstoffröhre. |
-
0
- BE BE558655D patent/BE558655A/xx unknown
-
1956
- 1956-06-27 US US594307A patent/US2966602A/en not_active Expired - Lifetime
-
1957
- 1957-05-20 FR FR1175545D patent/FR1175545A/fr not_active Expired
- 1957-06-11 GB GB18452/57A patent/GB811281A/en not_active Expired
- 1957-06-25 DE DES54016A patent/DE1104605B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
BE558655A (de) | |
US2966602A (en) | 1960-12-27 |
DE1104605B (de) | 1961-04-13 |
FR1175545A (fr) | 1959-03-27 |
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